19848400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 56183904

約数和(自身を除く): 36335504

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 176, 200, 208, 220, 260, 275, 286, 325, 347, 400, 440, 520, 550, 572, 650, 694, 715, 880, 1040, 1100, 1144, 1300, 1388, 1430, 1735, 2200, 2288, 2600, 2776, 2860, 3470, 3575, 3817, 4400, 4511, 5200, 5552, 5720, 6940, 7150, 7634, 8675, 9022, 11440, 13880, 14300, 15268, 17350, 18044, 19085, 22555, 27760, 28600, 30536, 34700, 36088, 38170, 45110, 49621, 57200, 61072, 69400, 72176, 76340, 90220, 95425, 99242, 112775, 138800, 152680, 180440, 190850, 198484, 225550, 248105, 305360, 360880, 381700, 396968, 451100, 496210, 763400, 793936, 902200, 992420, 1240525, 1526800, 1804400, 1984840, 2481050, 3969680, 4962100, 9924200, 19848400]

約数ペア:

[(1, 19848400), (2, 9924200), (4, 4962100), (5, 3969680), (8, 2481050), (10, 1984840), (11, 1804400), (13, 1526800), (16, 1240525), (20, 992420), (22, 902200), (25, 793936), (26, 763400), (40, 496210), (44, 451100), (50, 396968), (52, 381700), (55, 360880), (65, 305360), (80, 248105), (88, 225550), (100, 198484), (104, 190850), (110, 180440), (130, 152680), (143, 138800), (176, 112775), (200, 99242), (208, 95425), (220, 90220), (260, 76340), (275, 72176), (286, 69400), (325, 61072), (347, 57200), (400, 49621), (440, 45110), (520, 38170), (550, 36088), (572, 34700), (650, 30536), (694, 28600), (715, 27760), (880, 22555), (1040, 19085), (1100, 18044), (1144, 17350), (1300, 15268), (1388, 14300), (1430, 13880), (1735, 11440), (2200, 9022), (2288, 8675), (2600, 7634), (2776, 7150), (2860, 6940), (3470, 5720), (3575, 5552), (3817, 5200), (4400, 4511)]